#include <stdio.h>
#include <string.h>
#include <unistd.h>
int main()
{
    //C接口
    printf("hello printf\n");
    fprintf(stdout,"hello fprintf\n");
    const char *fputsStr = "hello fputs\n";
    fputs(fputsStr,stdout);

    //系统接口
    const char *WStr = "Hello write\n";
    write(1,WStr,strlen(WStr));
    
    fork();
    return 0;
}
